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/*
* Copyright : (C) 2022 Phytium Information Technology, Inc.
* All Rights Reserved.
*
* This program is OPEN SOURCE software: you can redistribute it and/or modify it
* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
* either version 1.0 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the Phytium Public License for more details.
*
*
* FilePath: fspim_intr.c
* Date: 2022-02-10 14:53:42
* LastEditTime: 2022-02-18 09:08:10
* Description: This files is for
*
* Modify History:
* Ver Who Date Changes
* ----- ------ -------- --------------------------------------
* 1.0 zhugengyu 2021-12-3 init commit
* 1.1 zhugengyu 2022-4-15 support test mode
*/
/***************************** Include Files *********************************/
#include <string.h>
#include "fio.h"
#include "ferror_code.h"
#include "ftypes.h"
#include "fassert.h"
#include "fdebug.h"
#include "fspim_hw.h"
#include "fspim.h"
/************************** Constant Definitions *****************************/
/**************************** Type Definitions *******************************/
/***************** Macros (Inline Functions) Definitions *********************/
/* be very careful to use print log in intrrupt handler */
#define FSPIM_DEBUG_TAG "SPIM-INTR"
#define FSPIM_ERROR(format, ...) FT_DEBUG_PRINT_E(FSPIM_DEBUG_TAG, format, ##__VA_ARGS__)
#define FSPIM_WARN(format, ...) FT_DEBUG_PRINT_W(FSPIM_DEBUG_TAG, format, ##__VA_ARGS__)
#define FSPIM_INFO(format, ...) FT_DEBUG_PRINT_I(FSPIM_DEBUG_TAG, format, ##__VA_ARGS__)
#define FSPIM_DEBUG(format, ...) FT_DEBUG_PRINT_D(FSPIM_DEBUG_TAG, format, ##__VA_ARGS__)
#define FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, evt) \
if (instance_p->evt_handler[evt]) \
instance_p->evt_handler[evt](instance_p, instance_p->evt_param[evt])
/************************** Function Prototypes ******************************/
extern void FSpimFifoTx(FSpim *instance_p);
extern void FSpimFifoRx(FSpim *instance_p);
extern FError FSpimReset(FSpim *instance_p);
/************************** Variable Definitions *****************************/
/*****************************************************************************/
/**
* @name: FSpimInterruptHandler
* @msg: SPIM中断处理函数
* @return {无}
* @param {s32} vector，中断向量号，此处不关心此参数
* @param {void} *param, 中断输入参数, 指向FSPIM的驱动控制实例
*/
void FSpimInterruptHandler(s32 vector, void *param)
{
FASSERT(param);
FSpim *instance_p = (FSpim *)param;
uintptr base_addr = instance_p->config.base_addr;
u32 intr_status = FSPIM_RIS_R_ALL_BITS & FSPIM_READ_REG32(base_addr, FSPIM_RIS_R_OFFSET);
if (0 == intr_status)
{
return;
}
if ((FSPIM_RIS_R_TXOIR | FSPIM_RIS_R_RXOIR | FSPIM_RIS_R_RXUIR) & intr_status) /* 发送FIFO溢出 */
{
FSPIM_WARN("Fifo overflow or underflow");
if (FSPIM_RIS_R_TXOIR & intr_status)
{
FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, FSPIM_INTR_EVT_TX_OVERFLOW);
}
if (FSPIM_RIS_R_RXUIR & intr_status)
{
FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, FSPIM_INTR_EVT_RX_UNDERFLOW);
}
if (FSPIM_RIS_R_RXOIR & intr_status)
{
FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, FSPIM_INTR_EVT_RX_OVERFLOW);
}
FSpimReset(instance_p);
return;
}
FSpimFifoRx(instance_p); /* 检查 RX Fifo是否为空，如果不为空则接收数据 */
if (instance_p->rx_buff_end == instance_p->rx_buff) /* RX 缓冲区已满，停止填入发送数据 */
{
FSpimMaskIrq(base_addr, FSPIM_IMR_TXEIS);
FSPIM_CALL_INTR_EVT_HANDLDER(instance_p, FSPIM_INTR_EVT_RX_DONE);
return;
}
if (FSPIM_RIS_R_TXEIR & intr_status) /* TX Fifo为空，填入待发送数据 */
{
FSpimMaskIrq(base_addr, FSPIM_IMR_TXEIS);
FSpimFifoTx(instance_p);
FSpimUmaskIrq(base_addr, FSPIM_IMR_TXEIS);
}
return;
}
/**
* @name: FSpimRegisterIntrruptHandler
* @msg: 注册FSPIM中断事件处理函数
* @return {*}
* @param {FI2c} *instance_p
* @param {u32} evt
* @param {FI2cEvtHandler} handler
*/
void FSpimRegisterIntrruptHandler(FSpim *instance_p, FSpimIntrEvtType evt, FSpimEvtHandler handler, void *param)
{
FASSERT(instance_p && evt < FSPIM_INTR_EVT_NUM);
instance_p->evt_handler[evt] = handler;
instance_p->evt_param[evt] = param;
}
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